Add devel/libe.

It is a collection of high-performance data structures and utilities in C++.

PR:		ports/178626
Submitted by:	Veniamin Gvozdikov <g.veniamin@googlemail.com>

devel/Makefile

@@ -964,6 +964,7 @@
     SUBDIR += libds
     SUBDIR += libdsp
     SUBDIR += libdwarf
+    SUBDIR += libe
     SUBDIR += libedit
     SUBDIR += libee
     SUBDIR += libelf

devel/libe/Makefile

+# Created by: Gvozdikov Veniamin <g.veniamin@googlemail.com>
+# $FreeBSD$
+
+PORTNAME=	libe
+PORTVERSION=	0.3.1
+CATEGORIES=	devel
+MASTER_SITES=	http://hyperdex.org/src/
+
+MAINTAINER=	g.veniamin@googlemail.com
+COMMENT=	High-performance datastructures and utilities for C++
+
+LICENSE=	BSD
+
+BUILD_DEPENDS=	${LOCALBASE}/libdata/pkgconfig/libpo6.pc:${PORTSDIR}/devel/libpo6
+
+GNU_CONFIGURE=	yes
+USES=		pathfix pkgconfig
+USE_LDCONFIG=	yes
+
+ONLY_FOR_ARCHS=	amd64
+
+.include <bsd.port.mk>

devel/libe/distinfo

+SHA256 (libe-0.3.1.tar.gz) = a10f9ee69a86094b83ed65c86243ab2e32bf134bffbafb9d6a8a2e152d6d914b
+SIZE (libe-0.3.1.tar.gz) = 378945

devel/libe/files/patch-configure

+--- configure.orig	2013-04-02 21:37:25.502367016 +0000
++++ configure	2013-04-02 21:37:55.951368743 +0000
+@@ -19251,7 +19251,7 @@
+   esac
+ 
+ 
+-if test x"${target_cpu}" != "xx86_64"; then
++if test x"${target_cpu}" != "xamd64"; then
+     as_fn_error $? "'this library requires a 64-bit x86 processor'" "$LINENO" 5
+ fi
+ 

devel/libe/pkg-descr

+This is a library provide easier to write robust applications.
+
+WWW: https://github.com/rescrv/e

devel/libe/pkg-plist

+include/e/array_ptr.h
+include/e/assert.h
+include/e/atomic.h
+include/e/bitfield.h
+include/e/bitsteal.h
+include/e/buffer.h
+include/e/convert.h
+include/e/endian.h
+include/e/envconfig.h
+include/e/guard.h
+include/e/hazard_ptrs.h
+include/e/intrusive_ptr.h
+include/e/lockfree_fifo.h
+include/e/lockfree_hash_map.h
+include/e/lockfree_hash_set.h
+include/e/locking_fifo.h
+include/e/locking_iterable_fifo.h
+include/e/microbench.h
+include/e/nonblocking_bounded_fifo.h
+include/e/pow2.h
+include/e/profiler.h
+include/e/safe_math.h
+include/e/slice.h
+include/e/striped_lock.h
+include/e/time.h
+include/e/tuple_compare.h
+include/e/unpacker.h
+include/e/worker_barrier.h
+lib/libe.a
+lib/libe.la
+lib/libe.so
+lib/libe.so.0
+libdata/pkgconfig/libe.pc
+@dirrm include/e